Owl Shift Summary 5/21/00

On shift :   WB, SP

Ecm=3525.4 MeV (+/- 0.03 for most of the time)

Logbook 7 276-279

Run 5717    315.0 nb-1
Run 5718    314.4 nb-1
Run 5719    under way

Total integrated luminosity so far at 3525.4 MeV:  3365 nb-1

Ibeam at 00:00  = 21.03 mA,  Ibeam at 08:00 =  15.1 mA

Comments:

Smooth shift, with a few DAQ hangs; the gateway display hung itself
at one point. DYC 9 gave some errors. 2 or 3 "data-in" hangs from DYC 3 and 
5 and once from DYC 1. Once there was a DYC 3 data-in hang with the permit
lights on at DYC 1 and DYC 7..Two uncloggings performed.

The ETOT rates are a bit of a mystery. Scaled to PBGOR and h1.h2, they seem 
to be rate dependent. We have asked the next crew to take scaler readings at
various gas-jet densities= various luminosities just before the stack is 
dumped.

We were called by the MCR around 7 am about a problem with power "to the Kautz
Road Substation - a high voltage line has opened up and this will prevent
stacking". This beam will last till about noon; the new shift should call
the MCR to ask about the status of things around 10 am.

Buongiorno

WB & SP